Boundary high-flow billet oil pump gear for Toyota Celica and Lotus Elise 2ZZ-GE engines with MartenWear treated finish. The listing identifies a treated billet gear intended to improve flow characteristics for the 2ZZ-GE application while noting the specific MartenWear surface treatment called out in the source description.
Boundary Toyota Celica/Lotus Elise 2ZZGE High Flow MartenWear Treated Billet Oil Pump Gear